Support/Firefox147: Difference between revisions

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== Dot releases ==
== Dot releases ==
TBD
<!--
{| class="wikitable"
{| class="wikitable"
|-
|-
! Platform !! Version !! Release date !! Notable fixes !! Unresolved
! Platform !! Version !! Release date !! Notable fixes !! Unresolved
|-
|-
| Firefox Desktop || [https://www.mozilla.org/firefox/147.0.1/releasenotes/ 147.0.1] || Jan 20, 2026 || [https://bugzilla.mozilla.org/ bugxxxxx], [https://bugzilla.mozilla.org/ bugxxxxx], [https://bugzilla.mozilla.org/ bugxxxxx] || -
| Firefox Desktop || [https://www.mozilla.org/firefox/147.0.1/releasenotes/ 147.0.1] || Jan 16, 2026 || [https://bugzilla.mozilla.org/2010712 bug2010712], [https://bugzilla.mozilla.org/2001887 bug2001887], [https://bugzilla.mozilla.org/2010411 bug2010411] || -
|-
| Firefox & Focus for Android || [https://www.mozilla.org/firefox/android/147.0.1/releasenotes/ 147.0.1] || Jan 16, 2026 || [https://bugzilla.mozilla.org/2010712 bug2010712], [https://bugzilla.mozilla.org/2006756 bug2006756], [https://bugzilla.mozilla.org/2010411 bug2010411] || -
|-
| Firefox Desktop || [https://www.mozilla.org/firefox/147.0.2/releasenotes/ 147.0.2] || Jan 27, 2026 || [https://bugzilla.mozilla.org/2011300 bug2011300], [https://bugzilla.mozilla.org/2010919 bug2010919], [https://bugzilla.mozilla.org/2010956 bug2010956], and [https://www.mozilla.org/security/advisories/mfsa2026-06/ security fixes] || -
|-
| Firefox & Focus for Android || [https://www.mozilla.org/firefox/android/147.0.2/releasenotes/ 147.0.2] || Jan 27, 2026 || [https://bugzilla.mozilla.org/2011319 bug2011319], [https://bugzilla.mozilla.org/1999448 bug1999448], [https://bugzilla.mozilla.org/2010956 bug2010956] and [https://www.mozilla.org/en-US/security/advisories/mfsa2026-06/ security fixes]|| -
|-
|-
| Firefox & Focus for Android || [https://www.mozilla.org/firefox/android/147.0.1/releasenotes/ 147.0.1] || Jan 20, 2026 || Various stability fixes || -
| Firefox Desktop || [https://www.mozilla.org/firefox/147.0.3/releasenotes/ 147.0.3] || Feb 4, 2026 || [https://bugzilla.mozilla.org/2010481 bug2010481], [https://bugzilla.mozilla.org/2003810 bug2003810], [https://bugzilla.mozilla.org/2010501 bug2010501], and [https://bugzilla.mozilla.org/show_bug.cgi?id=2012950 bug2012950] || [https://bugzilla.mozilla.org/show_bug.cgi?id=2003045 bug2003045]
|-
| Firefox & Focus for Android || [https://www.mozilla.org/firefox/android/147.0.3/releasenotes/ 147.0.3] || Feb 4, 2026 || [https://bugzilla.mozilla.org/show_bug.cgi?id=2010365 bug2010365] and various stability fixes || -
|-
| Firefox Desktop || [https://www.mozilla.org/firefox/147.0.4/releasenotes/ 147.0.4] || Feb 16, 2026 || [https://bugzilla.mozilla.org/2014616 bug2014616] and [https://www.mozilla.org/security/advisories/mfsa2026-10/ security fix] || -
|-
| Firefox & Focus for Android || [https://www.mozilla.org/firefox/android/147.0.4/releasenotes/ 147.0.4] || Feb 16, 2026 || [https://www.mozilla.org/security/advisories/mfsa2026-10/ Security fix] || -
|-
| Firefox ESR || [https://www.firefox.com/firefox/140.7.1/releasenotes/ 147.0.1 esr] & [https://www.firefox.com/firefox/115.32.1/releasenotes/ 115.32.1 esr] || Feb 16, 2026 || [https://www.mozilla.org/security/advisories/mfsa2026-10/ Security fix] || -
<!--
|-
|-
| Firefox & Focus for iOS || 147.1 || Jan 20, 2026 || Various stability fixes || -
| Firefox & Focus for iOS || 147.1 || Jan 20, 2026 || Various stability fixes || -
-->
|}
|}
-->
 
https://www.firefox.com/en-US/firefox/android/147.0.4/releasenotes/


== Contributor discussions ==
== Contributor discussions ==
Please refer to the following contributor forum threads to learn more about known issues and discuss with other contributors:
Please refer to the following contributor forum threads to learn more about known issues and discuss with other contributors:
* [https://support.mozilla.org/forums/contributors/ Desktop release discussion]
* [https://support.mozilla.org/forums/contributors/717521 Desktop release discussion]
* [https://support.mozilla.org/forums/contributors/ Mobile release discussion]
* [https://support.mozilla.org/forums/contributors/717520 Mobile release discussion]
* [https://support.mozilla.org/forums/l10n-forum Localization discussion]
* [https://support.mozilla.org/forums/l10n-forum Localization discussion]


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* '''Newsletter:''' Consider subscribing to [https://mzl.la/3NZO8tI Firefox Daily Digest] to get daily updates (Mon-Fri) about Firefox from across the internet.
* '''Newsletter:''' Consider subscribing to [https://mzl.la/3NZO8tI Firefox Daily Digest] to get daily updates (Mon-Fri) about Firefox from across the internet.


== What's new in Firefox 140 ==
== What's new in Firefox 147 ==


{{admon/note|Content in this page is being updated periodically as we're rolling out the release.}}
{{admon/note|Content in this page is being updated periodically as we're rolling out the release.}}


=== Firefox Desktop content update ===
=== Firefox Desktop content update ===
{| class="wikitable"
!colspan="3"|Local network access restrictions
|-
|'''Description:'''
|colspan="2"|Local network access restrictions is now enabled by default for users with ETP set to Strict
|-
|'''Content request:'''
|colspan="2"| https://bugzilla.mozilla.org/show_bug.cgi?id=1995870<br>https://bugzilla.mozilla.org/show_bug.cgi?id=2011186
|-
|'''KB article:'''
|https://support.mozilla.org/kb/control-personal-device-local-network-permissions-firefox
|Article update
|}
{| class="wikitable"
!colspan="3"|Customizable Hotkeys
|-
|'''Description:'''
|colspan="2"|New article about the customizable hotkeys
|-
|'''Content request:'''
|colspan="2"|https://bugzilla.mozilla.org/show_bug.cgi?id=1995889
|-
|'''KB article:'''
|https://support.mozilla.org/kb/use-keyboard-shortcuts-firefox
|New article
|}
{| class="wikitable"
!colspan="3"|Adding Switzerland in the address autofill article on desktop
|-
|'''Description:'''
|colspan="2"|Address autofill launch in Switzerland
|-
|'''Content request:'''
|colspan="2"|https://bugzilla.mozilla.org/show_bug.cgi?id=2011261
|-
|'''KB article:'''
|https://support.mozilla.org/kb/automatically-fill-your-address-web-forms
|Article update
|}
<!--
<!--
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== Known studies/experiments ==
== Known studies/experiments ==
<!--
{| class="wikitable"
{| class="wikitable"
|-
|-
! Platform !! Studies/experiments !! Description !! Related discussions !! Forum tag
! Platform !! Studies/experiments !! Description !! Related discussions !! Forum tag
|-
|-
| Firefox desktop || - || - || - || -
| Firefox desktop || Address autofill launch on Switzerland || Gradual launch on desktop only || - || Autofill
|}
|}
-->


== Top requests ==
== Top requests ==
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|}
|}
-->
-->
Check out top voted requests on [https://connect.mozilla.org/t5/discussions/mozilla-connect-weekly-recap-top-voted-ideas-1-2-1-9/td-p/115517 Mozilla Connect].


== Known issues ==
== Known issues ==
<!--
{| class="wikitable"
{| class="wikitable"
|-
|-
! Platform !! Issue !! Known bug/Related discussions !! Fix/workaround
! Platform !! Issue !! Known bug/Related discussions !! Fix/workaround
|-
|-
<!--
| Desktop || - || - || -
| Desktop || - || - || -
|-
|-
| Android || - || - || -
| Android || - || - || -
|-
|-
| iOS || - || - || -
-->
| iOS || HTTP Auth broken since Firefox 147 || [https://github.com/mozilla-mobile/firefox-ios/issues/31789] || Fix shipping in v147.2
|}
|}
-->


== Known incidents ==
== Known incidents ==
{| class="wikitable"
!colspan="2"| ChatGPT stopped working in Firefox 147
|-
|'''Description:'''
| ChatGPT loading errors due to compression dictionary incompatibility
|-
|'''Status:'''
| Resolved
|-
|'''Product(s) impacted:'''
| Firefox Desktop
|-
|'''Associated bug:'''
| https://bugzilla.mozilla.org/show_bug.cgi?id=2010712
|-
|'''Resolution/workaround:'''
| Resolved with the release of 147.0.1
|}
{| class="wikitable"
!colspan="2"| Firefox Address Bar Autofill Degraded
|-
|'''Description:'''
| Autofill suggests urls that aren't relevant to the user
|-
|'''Status:'''
| Fix landed in 148 release
|-
|'''Product(s) impacted:'''
| Firefox Desktop
|-
|'''Associated bug:'''
| https://bugzilla.mozilla.org/show_bug.cgi?id=2010941
|-
|'''Resolution/workaround:'''
| Fixed in 148
|}
{| class="wikitable"
!colspan="2"| Unexpected back navigation in Fenix 147
|-
|'''Description:'''
| Firefox for Android frequently and randomly going back to the previous page after a new one is loaded
|-
|'''Status:'''
| Resolved in 147.0.2
|-
|'''Product(s) impacted:'''
| Firefox for Android 147
|-
|'''Associated bug:'''
| https://bugzilla.mozilla.org/show_bug.cgi?id=2011319
|-
|'''Resolution/workaround:'''
| Fixed with the release of 147.0.2
|}
{| class="wikitable"
!colspan="2"| Back button jumps to first entry in tab's history rather than previous entry
|-
|'''Description:'''
| Users navigating back through google search results on Firefox Android 147 sometimes have incorrect history
|-
|'''Status:'''
| Ongoing
|-
|'''Product(s) impacted:'''
| Firefox for Android 147
|-
|'''Associated bug:'''
| https://bugzilla.mozilla.org/show_bug.cgi?id=1958609
|-
|'''Resolution/workaround:'''
| Ongoing
|}
{| class="wikitable"
!colspan="2"| Pinning Firefox to taskbar nonfunctional in Windows 11 Build 7840
|-
|'''Description:'''
| Pinning Firefox to taskbar nonfunctional in Windows 11 Build 7840
|-
|'''Status:'''
| Resolved in 149
|-
|'''Product(s) impacted:'''
| Firefox Desktop (Windows 11 build 7840 only)
|-
|'''Associated bug:'''
| https://bugzilla.mozilla.org/show_bug.cgi?id=2016872
|-
|'''Resolution/workaround:'''
| Resolved in version 149
|}
<!--
<!--
{| class="wikitable"
{| class="wikitable"

Latest revision as of 02:42, 16 March 2026

Mozilla L10n Main | About | Join SUMO | Meet the team | Releases information | Meetings | Blog | Resources


Firefox 147 release information

Disclaimer

The following information is intended for members of the Mozilla Support community for the purpose of supporting users in the Mozilla Support platform. Mozilla Support is a community of enthusiastic volunteers and employees trying to support Mozilla's users around the globe. You can join us by contributing through the following ways:

Note.png
To learn more about how to stay updated with Firefox release information, trending, and known issues, please also check out How to stay updated with Firefox release

Release notes

Dot releases

Platform Version Release date Notable fixes Unresolved
Firefox Desktop 147.0.1 Jan 16, 2026 bug2010712, bug2001887, bug2010411 -
Firefox & Focus for Android 147.0.1 Jan 16, 2026 bug2010712, bug2006756, bug2010411 -
Firefox Desktop 147.0.2 Jan 27, 2026 bug2011300, bug2010919, bug2010956, and security fixes -
Firefox & Focus for Android 147.0.2 Jan 27, 2026 bug2011319, bug1999448, bug2010956 and security fixes -
Firefox Desktop 147.0.3 Feb 4, 2026 bug2010481, bug2003810, bug2010501, and bug2012950 bug2003045
Firefox & Focus for Android 147.0.3 Feb 4, 2026 bug2010365 and various stability fixes -
Firefox Desktop 147.0.4 Feb 16, 2026 bug2014616 and security fix -
Firefox & Focus for Android 147.0.4 Feb 16, 2026 Security fix -
Firefox ESR 147.0.1 esr & 115.32.1 esr Feb 16, 2026 Security fix -

https://www.firefox.com/en-US/firefox/android/147.0.4/releasenotes/

Contributor discussions

Please refer to the following contributor forum threads to learn more about known issues and discuss with other contributors:

You can also join our Matrix channel to ask questions/join community discussion.

Stay updated

Apart from sharing release information, there are other ways to stay updated with product release and community updates:

  • Community call: We run a monthly community call (usually on the same week we release a new Firefox version). Check our schedule here and don't hesitate to join the call in person if you can!
  • Newsletter: Consider subscribing to Firefox Daily Digest to get daily updates (Mon-Fri) about Firefox from across the internet.

What's new in Firefox 147

Note.png
Content in this page is being updated periodically as we're rolling out the release.

Firefox Desktop content update

Local network access restrictions
Description: Local network access restrictions is now enabled by default for users with ETP set to Strict
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1995870
https://bugzilla.mozilla.org/show_bug.cgi?id=2011186
KB article: https://support.mozilla.org/kb/control-personal-device-local-network-permissions-firefox Article update
Customizable Hotkeys
Description: New article about the customizable hotkeys
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=1995889
KB article: https://support.mozilla.org/kb/use-keyboard-shortcuts-firefox New article
Adding Switzerland in the address autofill article on desktop
Description: Address autofill launch in Switzerland
Content request: https://bugzilla.mozilla.org/show_bug.cgi?id=2011261
KB article: https://support.mozilla.org/kb/automatically-fill-your-address-web-forms Article update

Firefox for Android content update

Firefox for iOS content update

Known studies/experiments

Platform Studies/experiments Description Related discussions Forum tag
Firefox desktop Address autofill launch on Switzerland Gradual launch on desktop only - Autofill

Top requests

Check out top voted requests on Mozilla Connect.

Known issues

Platform Issue Known bug/Related discussions Fix/workaround
iOS HTTP Auth broken since Firefox 147 [1] Fix shipping in v147.2

Known incidents

ChatGPT stopped working in Firefox 147
Description: ChatGPT loading errors due to compression dictionary incompatibility
Status: Resolved
Product(s) impacted: Firefox Desktop
Associated bug: https://bugzilla.mozilla.org/show_bug.cgi?id=2010712
Resolution/workaround: Resolved with the release of 147.0.1
Firefox Address Bar Autofill Degraded
Description: Autofill suggests urls that aren't relevant to the user
Status: Fix landed in 148 release
Product(s) impacted: Firefox Desktop
Associated bug: https://bugzilla.mozilla.org/show_bug.cgi?id=2010941
Resolution/workaround: Fixed in 148
Unexpected back navigation in Fenix 147
Description: Firefox for Android frequently and randomly going back to the previous page after a new one is loaded
Status: Resolved in 147.0.2
Product(s) impacted: Firefox for Android 147
Associated bug: https://bugzilla.mozilla.org/show_bug.cgi?id=2011319
Resolution/workaround: Fixed with the release of 147.0.2
Back button jumps to first entry in tab's history rather than previous entry
Description: Users navigating back through google search results on Firefox Android 147 sometimes have incorrect history
Status: Ongoing
Product(s) impacted: Firefox for Android 147
Associated bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1958609
Resolution/workaround: Ongoing
Pinning Firefox to taskbar nonfunctional in Windows 11 Build 7840
Description: Pinning Firefox to taskbar nonfunctional in Windows 11 Build 7840
Status: Resolved in 149
Product(s) impacted: Firefox Desktop (Windows 11 build 7840 only)
Associated bug: https://bugzilla.mozilla.org/show_bug.cgi?id=2016872
Resolution/workaround: Resolved in version 149


Post-release

Retrieved from "https://wiki.mozilla.org/index.php?title=Support/Firefox147&oldid=1256717"